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| Number | Title | Issue Date |
| 7696460 | Frequency adjusting arrangement A circuit for compensating for frequency modulation on a radar signal is disclosed. The disclosed circuit includes an adaptive narrow band filter in the feedback path of a phase-locked detector, such filter having a bandwidth which is narrower than the frequency ran... | 04/13/2010 |
| 7434762 | Retractable thrust vector control vane system and method A retractable thrust vector control system (10) for a rocket motor (26) that can generate an exhaust plume comprises at least one control vane (12) connectable to an attitude control assembly (20) that rotates the vane (12) about a... | 10/14/2008 |
| 7307701 | Method and apparatus for detecting a moving projectile An apparatus includes a transmitter portion which transmits a defined beam of eyesafe laser energy, a receiver portion which receives reflected energy from the beam, and a further portion which analyzes information in the received energy so as to detect the presence... | 12/11/2007 |
| 7244937 | Optical measurement apparatus with laser light source An optical measurement apparatus operable with a test specimen has a light source with a laser having an output beam, and a beam splitter that splits the output beam of the laser into a first split beam and a second split beam. A test specimen holder holds the test ... | 07/17/2007 |
| 7234131 | Peer review evaluation tool A method for peer review evaluation of a product during a development stage comprises creating an evaluation header including selection of a moderator for a peer review team. The evaluation continues by identifying team members and distributing artifacts to complete... | 06/19/2007 |
| 7191674 | Stepper mechanical drive system A stepper mechanical drive system includes a carriage, a support for the carriage that permits the carriage to move bidirectionally along a travel direction, and a follower structure on the carriage, The follower structure has two ramp structures that each extends l... | 03/20/2007 |
| 7137599 | Launcher with dual mode electronics A system and method for interconnecting analog legacy stores to both legacy and modern aircraft. One aspect of the invention provides for a dual mode launcher having a first interface for interfacing with a modern aircraft and a second interface for interfacing with... | 11/21/2006 |
| 7108223 | Missile control system and method A missile includes a tail section having a multi-nozzle grid with both fixed nozzlettes, and movable, thrust vector nozzlettes. The movable nozzlettes may be configured in a number of discrete array bars, each containing multiple of the movable nozzlettes. Movement ... | 09/19/2006 |
| 7097133 | Articulated folding wing structure and method An articulated wing (20) is readily deployable from a stowed configuration that occupies minimal volume to an extended configuration for flight. The wing (20) includes a frame (24) having a pair of beams (30) spaced by one or more ribs ( | 08/29/2006 |
| 7092088 | Field multiplexed dispersive imaging spectrometer A field multiplexed dispersive imaging spectrometer (20). The novel system includes foreoptics (22) for receiving incoming electromagnetic energy, a disperser (24) disposed to receive energy from the foreoptics (22), and a focal plane arr... | 08/15/2006 |
| 7049667 | Conductive channel pseudo block process and circuit to inhibit reverse engineering A technique for and structures for camouflaging an integrated circuit structure. The integrated circuit structure is formed by a plurality of layers of material having a controlled outline. A layer of conductive material having a controlled outline is disposed among... | 05/23/2006 |
| 7047801 | Portable guidance assembly test station A portable system (20) for testing an electro-optical guidance assembly (22) includes an electro-optical test unit (40) with at least two sources of electromagnetic energy at different wavelengths for selectively illuminating the guidance assemb... | 05/23/2006 |
| 7008873 | Integrated circuit with reverse engineering protection Technique and structures for camouflaging an integrated circuit structure. The integrated circuit structure is formed by a plurality of layers of material having controlled outlines and controlled thicknesses. A layer of dielectric material of a controlled thickness... | 03/07/2006 |
| 6979606 | Use of silicon block process step to camouflage a false transistor A technique for and structures for camouflaging an integrated circuit structure. A layer of conductive material having a controlled outline is disposed to provide artifact edges of the conductive material that resemble an operable device when in fact the device is n... | 12/27/2005 |
| 6965349 | Phased array antenna A reconfigurable wide band phased array antenna for generating multiple antenna beams for multiple transmit and receive functions. The antenna array comprises multiple long non-resonant TEM slot antenna apertures with RF MEMS switches disposed within the slots. The ... | 11/15/2005 |
| 6963442 | Low-noise, switchable RF-lightwave synthesizer A frequency synthesizer for generating a multiple tone lightwave signal that can be converted into an RF carrier or local oscillator signal. The frequency synthesizer comprises a multiple mode master laser, two slave lasers injection-locked to the master laser, an o... | 11/08/2005 |
| 6952513 | Method and apparatus for effecting alignment in an optical apparatus An optical apparatus (110) includes a base member (121) with a plurality of grooves (181-187, 191-197), and includes a respective lens (11-17) fixedly mounted in each groove. Optical filters (31-35) are mounted on the support membe... | 10/04/2005 |
| 6921177 | High precision mirror, and a method of making it A mirror includes: a substrate having a surface; and a thin-film finish layer provided over the surface of the substrate and having on a side thereof opposite from the substrate a surface with a polished finish. According to a different aspect of the invention, a me... | 07/26/2005 |
| 6922505 | Method and apparatus for separating or combining optical signals using a dispersive element An apparatus includes a support section which supports a further section, an optically transmissive substrate, and a dispersive section, the further section transporting plural signal components at respective frequencies along a path of travel. A plurality of optica... | 07/26/2005 |
| 6908680 | Method for obtaining reduced thermal flux in silicone resin composites A method for improving the thermal barrier properties of silicone resin/glass fiber composites. Composites comprising a layer of polysiloxane (silicone resin) matrix with a glass or quartz fiber reinforcement embedded in such matrix and an organic polymeric layer we... | 06/21/2005 |
| 6873138 | Method and apparatus for converting power A power converter provides power to a phased-array radar antenna system. The converter adjusts its internal zero-voltage switching current so that it efficiently provides a clean power signal over a wide range of potential loads. More specifically, the zero-voltage ... | 03/29/2005 |
| 6869044 | Missile with odd symmetry tail fins A missile, either a powered missile or an unpowered projectile, includes a freely-rolling tail assembly having an odd number of fins. Having an odd number of fins may reduce oscillations caused by the rotation of the freely-rotating tail. This may make a more stable... | 03/22/2005 |
| 6864831 | Radar detection method and apparatus A radar detection process includes computing a derivative of an FFT output signal to detect an object within a specified detection zone. In one embodiment, a zero crossing in the second derivative of the FFT output signal indicates the presence of an object. The ran... | 03/08/2005 |
| 6842559 | Method and apparatus for adding or dropping a component of an optical signal An optical add/drop multiplexer (10, 110) includes a primary input port (16, 21), an express output port (17, 22), an add input port (18, 23), and a drop output port (19, 24). Radiation from the primary input port is reflected by a... | 01/11/2005 |
| 6842231 | Method for improved range accuracy in laser range finders The range of a threshold detection laser range finder is increased by adding a low cost Analog-to-Digital converter and sampling a portion of a reflected laser pulse. The slope of the sampled reflected laser pulse is calculated and the shape of the reflected laser p... | 01/11/2005 |
| 6825742 | Apparatus and methods for split-feed coupled-ring resonator-pair elliptic-function filters A filter has coupled pairs of resonators positioned between and planar to split feed lines. The filters are further positioned orthogonal to the signal path. The filter has two pairs of resonators. Coupling extensions of the split feed lines are substantially parall... | 11/30/2004 |
| 6817568 | Missile system with multiple submunitions A multi-staged missile includes a booster and a submunition delivery vehicle that has one or more submunitions. The booster rapidly accelerates the submunition vehicle, and then separates from the submunition vehicle. The submunition delivery vehicle is then maneuve... | 11/16/2004 |
| 6799138 | Breaklock detection system and method A tracking system controls an aimed device (32) to keep it aimed at a target (34). A control system (10) determines when the tracker has lost its lock on the target (34) by comparing the target's instantaneous acceleration with its median... | 09/28/2004 |
| 6798943 | Method and apparatus for integrating optical fibers with collimating lenses A two-dimensional optical switch (10) includes a hermetically sealed housing (41) cooperable with several input fibers (11-18) and several output fibers (21-28). A digital micromirror device (71) is disposed within the housing, and... | 09/28/2004 |
| 6792383 | Passive ranging system and method A system and method for ascertaining the range of a noise-jamming target. The system includes a receiver; a data processor coupled to the receiver; and software adapted for execution by the data processor for computing rage to a target transmitter using first and se... | 09/14/2004 |
| 6784828 | Near object detection system A near object detection (NOD) system includes a plurality of sensors, each of the sensors for providing detection coverage in a predetermined coverage zone and each of the sensors including a transmit antenna for transmitting a first RF signal, a receive antenna for... | 08/31/2004 |
| 6778722 | Method and apparatus for switching optical signals with a photon band gap device An optical switch (11, 111, 211) includes a member (26) having a plurality of openings (31-42) therethrough which are arranged in a periodic pattern. A path (86-87, 91-92, 96-97) extends through the member from an input to an output, with... | 08/17/2004 |
| 6771205 | Shipboard point defense system and elements therefor A combined defense and navigational system on a naval vessel is disclosed. The disclosed system includes a track-while-scan pulse radar which is controlled to provide either navigational information or tracking information on selected targets. Additionally, the disc... | 08/03/2004 |
| 6768844 | Method and apparatus for effecting alignment in an optical apparatus An apparatus includes a support section which supports a further section, an optically transmissive substrate, and a dispersive section, the further section transporting plural signal components at respective frequencies along a path of travel. A plurality of optica... | 07/27/2004 |
| 6768442 | Advanced digital antenna module An Advanced Digital Antenna Module (ADAM) for receiving and exciting electromagnetic signals. The ADAM ASIC integrates a complete receiver/exciter function on a monolithic SiGe device, enabling direct digital-to-RF (Radio Frequency) and RF-to-digital transformations... | 07/27/2004 |
| 6761331 | Missile having deployment mechanism for stowable fins A missile in combination with a deployment mechanism that automatically pivots and rotates a fin from a stowed orientation to a deployed orientation. The deployment mechanism includes a spring that provides a biasing force that urges the fin to move quickly, simply ... | 07/13/2004 |
| 6747738 | Optical system with variable dispersion An optical system (20) provides a variable dispersion that helps to collect multi-spectral information on an object within the field of view. The system (20) includes at least two sets (24, 26) of optical elements (42x 42... | 06/08/2004 |
| 6735086 | Heat-conducting device for circuit board A heat-conducting device for conducting heat between a circuit board and an airframe of a missile includes a thermal plane onto which the circuit board is mounted, and a pair of feet that partially protrude from the slots in the thermal plane. Slot-engaging portions... | 05/11/2004 |
| 6723977 | System and method for sensing atmospheric contaminants using transmitter with dual optical parametric oscillators and receiver for the same A chemical sensing system and method. The system (10) includes a transmitter having a laser for providing a collimated beam of electromagnetic energy at a first frequency and a Q switch in optical alignment with the beam. The system further includes a crystal for sh... | 04/20/2004 |
| 6703982 | Conformal two dimensional electronic scan antenna with butler matrix and lens ESA An antenna and antenna excitation method. The inventive antenna includes a cylindrical array (20) of radiating elements. Each of the elements is mounted at a predetermined substantially transverse angle relative to a longitudinal axis. A circuit (30) is i... | 03/09/2004 |
